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MQ-3 Sensor Module MQ-3 Sensor Detector
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MQ-3 Sensor Module MQ-3 Sensor Detector
MQ-3 Sensor Module MQ-3 Sensor Detector
Item #: 70049826

MQ-3 Sensor Module MQ-3 Sensor Detector

Item #: 70049826

NZD 27

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What Stands Out

Highly Sensitive
The MQ-3 sensor module provides exceptional sensitivity to alcohol vapors, ensuring accurate detection capabilities ideal for breath analysis and safety monitoring.
Versatile Use
Designed for multiple applications, this module is perfect for integrating into DIY projects, safety equipment, and even automotive breathalyzer systems, catering to various user needs.
Easy Integration
The MQ-3 sensor is user-friendly, compatible with popular microcontrollers like Arduino, making it simple for hobbyists and developers to incorporate into their electronic projects.

Product Details

Shop the LM393 MQ-3 Sensor Detector with signal output instruction. High sensitivity and good selectivity for field testing of motor vehicle drivers. Rapid response and recovery. Order now! Shop at Ubuy New Zealand
  • Compact size: 32mm X22mm X27mm (length X width X height)
  • Utilizes LM393 and ZYMQ-3 gas sensors as the main chip
  • Operates at a working voltage of DC 5V
  • Features dual signal output (analog output and TTL level output) with TTL output valid signal being low
  • Analog output voltage ranges from 0 to 5V, with higher concentration leading to higher voltage
  • High sensitivity and good selectivity for ethanol vapor detection, rapid response, and recovery characteristics
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Alcohol Testing

    Ideal for individuals or organizations needing to conduct alcohol level testing efficiently and reliably.

  • DIY Projects

    Perfect for hobbyists and makers looking to integrate gas sensing capabilities into their electronic projects.

  • Education Use

    Suitable for educational institutions aiming to demonstrate practical applications of gas sensors in science experiments.

Not Suitable For
  • Professional Use

    May not meet the accuracy and reliability standards needed for professional or legal alcohol testing scenarios.

  • Non-technical Users

    Not ideal for users lacking technical skills, as setup and calibration can be challenging without experience.

  • Indoor Air Quality

    Not specifically designed for comprehensive indoor air quality monitoring beyond detecting specific gases like alcohol.

Product Description

MQ-3 Sensor Module MQ-3 Sensor Detector

About This Item

Introducing the MQ-3 Sensor Module MQ-3 Sensor Detector - your go-to solution for ethanol vapor detection. This compact sensor module measures 32mm x 22mm x 27mm in length, width, and height respectively, making it the perfect size for all your detection needs. Powered by the reliable LM393 main chip and ZYMQ-3 gas sensors, this module operates on a DC 5V working voltage.

Here's what sets the MQ-3 Sensor Module apart from the rest: 1. Signal Output Instruction: With a clear signal output indicator, you'll be able to easily monitor and analyze the sensor's readings. 2. Dual Signal Output: Enjoy the convenience of two signal outputs - analog output and TTL level output.

3. Low-Level TTL Output: The TTL output generates a low-level signal, allowing for direct integration with microcontrollers and other devices. 4. Analog Output Voltage: The module provides a 0-5V analog output voltage.

As the concentration of ethanol vapor increases, so does the output voltage, giving you precise control over detecting higher concentrations. 5. High Sensitivity and Selectivity: The MQ-3 Sensor Module boasts exceptional sensitivity and selectivity, making it ideal for detecting ethanol vapor specifically. 6. Long Life and Reliable Stability: Rest assured knowing that this sensor module is built to last.

With its reliable stability, you can trust it to deliver accurate readings over an extended period of time. 7. Rapid Response and Recovery: The module's quick response and recovery characteristics ensure minimal delay in detecting ethanol vapor. This versatile sensor module finds its application in various fields. It's particularly useful for conducting field tests on motor vehicle drivers and other non-drinking personnel who operate machinery.

Additionally, it can be employed for detecting ethanol vapor in other environments, providing you with unparalleled safety and peace of mind. Order now and receive 1 MQ-3 Alcohol Ethanol Sensor Module in the packing list. Don't compromise on quality and efficiency - choose the MQ-3 Sensor Module for all your ethanol vapor detection needs.

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Product Buying Guide

The MQ-3 Sensor Module is a highly reliable and sensitive device designed for detecting ethanol vapor. With dual signal output, it offers both analog and TTL level outputs, making it compatible with various microcontrollers. Its compact size and long-lasting performance make it ideal for field testing of motor vehicle drivers and other non-drinking operating personnel. This buying guide will provide you with all the necessary information to make an informed decision.

Product Specifications

  • Size: 32mm X 22mm X 27mm
  • Main Chip: LM393, ZYMQ-3 gas sensors
  • Working Voltage: DC 5V
  • Signal Output: Dual (Analog and TTL level)
  • Analog Output Voltage: 0 ~ 5V
  • Sensitivity: High for ethanol vapor
  • Selectivity: Good
  • Response: Rapid
  • Application: Motor vehicle driver testing, ethanol vapor detection

Key Features

  • Signal output instruction
  • Dual signal output (analog and TTL level)
  • Low-level signal TTL output
  • Analog voltage varies with concentration
  • High sensitivity to ethanol vapor
  • Good selectivity
  • Long life and reliable stability
  • Rapid response and recovery

Usage Scenarios

  • Field testing of motor vehicle drivers
  • Non-drinking operating personnel testing
  • Ethanol vapor detection in various settings

Some User Review

  • The MQ-3 Sensor Module has been extremely useful in our motor vehicle driver testing program. It provides accurate and reliable results, helping us ensure the safety of our drivers.
  • I have been using the MQ-3 Sensor Module for ethanol vapor detection in a manufacturing facility, and it has exceeded my expectations. The sensitivity and selectivity are excellent.
  • The compact size of the MQ-3 Sensor Module makes it convenient for portable testing. The analog output voltage is easy to measure and interpret. Highly recommended for field applications.

Competitors

  • The price of the MQ-3 Sensor Module is competitive compared to other similar products in the market. Considering its high sensitivity, reliable stability, and long life, it offers great value for the price.

Buying Considerations

  • Ensure compatibility with your microcontroller or system
  • Evaluate your specific requirements for sensitivity and selectivity
  • Consider the size and portability requirements for your application
  • Compare prices and look for deals from reputable retailers

Conclusion

The MQ-3 Sensor Module is a versatile and reliable device for detecting ethanol vapor. With its dual signal output, high sensitivity, and long life, it is perfect for various applications such as motor vehicle driver testing and ethanol vapor detection. Consider your specific needs and compare prices to make an informed purchase decision.

View Less

The MQ-3 Sensor Module is a highly reliable and sensitive device designed for detecting ethanol vapor. With dual signal output, it offers both analog and TTL level outputs, making it compatible with various microcontrollers. Its compact size and long-lasting performance make it ideal for field testing of motor vehicle drivers and other non-drinking operating personnel. This buying guide will provide you with all the necessary information to make an informed decision. Continue Reading

Customer Questions & Answers

  • Question: What is the MQ-3 Sensor Module used for?

    Answer: The MQ-3 Sensor Module is primarily utilized for detecting alcohol concentrations in the air. It operates based on an analog output that correlates with the concentration of alcohol vapors, making it ideal for breath analyzers. Due to its sensitivity to various gases, it can also detect compounds like Toluene and Benzene, making it versatile for air quality monitoring applications in laboratories and industrial environments.
  • Question: How does the MQ-3 Sensor work?

    Answer: The MQ-3 Sensor works through a sensing material that changes its resistance based on the concentration of gas present. When the sensor is exposed to alcohol vapors, the resistance decreases, producing a corresponding analog output. This principle allows for the quantification of alcohol levels. Engineers and developers often integrate this sensor into projects requiring gas detection, facilitating precise measurement in health and safety applications.
  • Question: What type of microcontroller can be used with the MQ-3 Sensor?

    Answer: The MQ-3 Sensor is compatible with various microcontrollers, including Arduino, Raspberry Pi, and ESP8266. These microcontrollers can read the analog output of the sensor, which enables users to process the data for applications in automation systems, research, or DIY projects. Programmatically, you can set thresholds to trigger alarms or visual indicators when the detected alcohol level exceeds safe limits.
  • Question: Is the MQ-3 Sensor suitable for indoor or outdoor use?

    Answer: The MQ-3 Sensor is primarily designed for indoor use, as it can be affected by external environmental factors such as temperature and humidity. For applications requiring outdoor installation, consider placing the sensor in a sheltered location to prevent false readings due to weather conditions. This makes it a popular choice for indoor breathalyzer devices or air quality monitors in labs.
  • Question: What is the typical response time of the MQ-3 Sensor?

    Answer: The MQ-3 Sensor typically has a response time of under 10 seconds to detect alcohol vapors. Once activated, it starts providing output readings quickly. This rapid response makes it suitable for real-time monitoring applications, where timely detection of intoxication levels is critical, such as in breathalyzers used by law enforcement.
  • Question: How should the MQ-3 Sensor be calibrated?

    Answer: Calibration of the MQ-3 Sensor involves exposing it to known concentrations of alcohol and adjusting the output readings accordingly. It often includes a warm-up period followed by controlled test conditions to ensure accuracy. Regular calibration is vital for achieving precise measurements, especially in critical safety applications where accurate monitoring is paramount.
  • Question: What is the lifespan of an MQ-3 Sensor?

    Answer: The MQ-3 Sensor has a typical lifespan of around 2-3 years, depending on usage and operating conditions. Factors such as exposure to harsh environments can affect longevity. Ensuring the sensor is housed correctly and maintained can prolong its functionality, making it an effective tool for consistent alcohol detection in safety monitoring setups.
  • Question: Can the MQ-3 Sensor detect other gases apart from alcohol?

    Answer: Yes, the MQ-3 Sensor can detect gases such as methane and acetone along with alcohol. Its broad sensing capabilities allow for diverse applications, including gas leak detection and environmental monitoring. Engineers appreciate its versatility when designing systems that require comprehensive air quality assessments, making it a useful addition to various industrial and commercial projects.
  • Question: What are common applications for the MQ-3 Sensor Module?

    Answer: Common applications for the MQ-3 Sensor Module include breathalyzer devices, industrial safety systems, and air quality monitoring stations. Its ability to provide real-time alcohol concentration data is crucial for ensuring safety in environments where intoxication can pose significant risks. Hobbyists and developers frequently incorporate this sensor into prototype projects aimed at addressing public safety concerns.
  • Question: Where can I buy the MQ-3 Sensor Module MQ-3 Sensor Detector in New Zealand?

    Answer: You can purchase the MQ-3 Sensor Module MQ-3 Sensor Detector from Ubuy in New Zealand. Ubuy features a variety of electronic components, including this sensor, ensuring reliability and convenience for your shopping needs. Explore their offerings for the MQ-3 Sensor along with other components suited for your projects.

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NZD 27

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

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